349790923 has 4 divisors (see below), whose sum is σ = 364999248. Its totient is φ = 334582600.

The previous prime is 349790911. The next prime is 349790941. The reversal of 349790923 is 329097943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349790923 - 2¹³ = 349782731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349790983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7604128 + ... + 7604173.

It is an arithmetic number, because the mean of its divisors is an integer number (91249812).

Almost surely, 2^349790923 is an apocalyptic number.

349790923 is a deficient number, since it is larger than the sum of its proper divisors (15208325).

349790923 is a wasteful number, since it uses less digits than its factorization.

349790923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15208324.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 349790923 is about 18702.6982812641. The cubic root of 349790923 is about 704.5895187717.

The spelling of 349790923 in words is "three hundred forty-nine million, seven hundred ninety thousand, nine hundred twenty-three".